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  <title>Document</title>
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<body>
  <script>
    // 下面第几行代码有错误？ 问题是什么？
    // const num = 10
    // function getSum() {
    //   const count = 10
    //   console.log(count) 
    // }
    // console.log(num)

    const num = 10
    function getSum() {
      const count = 10
      console.log(count)
    }
    console.log(num)
  </script>
</body>

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